Home / 804,499.40-1,206,921.90-243,590.60

Finding the Fourth Proportional to 804,499.40, 1,206,921.90 and 243,590.60

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Solution

The fourth proportional to 804,499.40, 1,206,921.90 and 243,590.60 is: 365,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,499.40 : 1,206,921.90 = 243,590.60 : x
  2. Step 2: Convert to fraction form
    804,499.40/1,206,921.90 = 243,590.60/x
  3. Step 3: Cross multiply
    804,499.40x = 1,206,921.90 × 243,590.60
  4. Step 4: Simplify right side
    804,499.40x = 293,994,829,774.14
  5. Step 5: Solve for x
    x = 293,994,829,774.14/804,499.40
  6. Step 6: Final answer
    x = 365,438.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.